Sorel Men's Caribou Waterproof Boots:UPPER: Waterproof nubuck upper. Seam-sealed waterproof construction. Laces are not waterproof.INSULATION: Synthetic insulation. Removable 9 mm washable recycled felt inner boot with Sherpa pile snow cuff.MIDSOLE: 2.5 mm bonded felt frost plug.OUTSOLE: Handcrafted waterproof vulcanized rubber shell with Sorel aero-trac non loading outsole.HEEL HEIGHT: 1 in.PLATFORM HEIGHT: 1/2 in.SHAFT HEIGHT: 10 in.LACE LENGTH:~50 in.Note: Laces and zippers incorporated in SOREL footwear are not waterproof.Uses: Heavy SnowRated: Temperature Rated -40º FThese boots will keep your feet toasty warm.They have not been worn outside and then tread is brand new.There is a B that was written on the tabs on the back as you can see in the fourth picture and there is a slight scuff as seen in the last picture.
